Removal of sulfur dioxide from exhaust gas
US4337231A · kind A · utility
13Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1980 |
| Grant date | Jun 29, 1982 |
| Priority date | — |
| Expiry date | Nov 17, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2219/32483
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of removing sulfur dioxide from an exhaust gas with use of an absorbent containing a salt of an organic acid within a scrubber provided with perforated plates, characterized in that the vapor of organic acid discharged from the top of the perforated plates is absorbed into the absorbent with a pH value of 6 to 8 within wetted walls provided on the upper side of the perforated plates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.